books.google.com - The past 6 years since the first edition of this book have seen great progress in the development of genetically engineered mouse (GEM) models of cancer. These models are finding an important role in furthering our understanding of the biology of malignant disease. A comfortable position for GEM models...http://books.google.com/books/about/Tumor_Models_in_Cancer_Research.html?id=7zRWl9a_wsMC&q=therapeutic&utm_source=gb-gplus-shareTumor Models in Cancer Research